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VEGF-binding aptides and the inhibition of choroidal and retinal neovascularization

Cited 17 time in Web of Science Cited 19 time in Scopus
Authors

Jo, Dong Hyun; Kim, Sunghyun; Kim, Daejin; Kim, Jin Hyoung; Jon, Sangyong; Kim, Jeong Hun

Issue Date
2014-03
Publisher
Pergamon Press Ltd.
Citation
Biomaterials, Vol.35 No.9, pp.3052-3059
Abstract
Age-related macular degeneration and diabetic retinopathy are leading causes of blindness. Vascular endothelial growth factor (VEGF) is known to be the main factor that induces pathological angiogenesis in these diseases. In this study, we investigate the therapeutic potential and safety profiles of high-affinity peptides targeting VEGF which are identified using an 'aptide' technology. We show that two VEGF-binding aptides, APT(VEGF1) and APT(VEGF2), demonstrate high binding affinity and specificity to VEGF. Furthermore, they suppress VEGF-induced activation of VEGF receptor-2, in vitro angiogenesis, and in vivo pathological choroidal and retinal neovascularization. Despite potent anti-angiogenic effects, both VEGF-binding aptides do not induce any definite toxicity at the level of cellular viability, histological integrity, and gene expression. Our data show the therapeutic potential of VEGF-binding peptides for the treatment of choroidal and retinal neovascularization. (C) 2013 Elsevier Ltd. All rights reserved.
ISSN
0142-9612
URI
https://hdl.handle.net/10371/191607
DOI
https://doi.org/10.1016/j.biomaterials.2013.12.031
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